[llvm-bugs] [Bug 42487] New: Headers/max_align.c fails on Linux x86

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42487

            Bug ID: 42487
           Summary: Headers/max_align.c fails on Linux x86
           Product: Test Suite
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: lit
          Assignee: unassignedbugs at nondot.org
          Reporter: lukebenes at hotmail.com
                CC: daniel at zuster.org, llvm-bugs at lists.llvm.org

Starting with r356197, the following lit test is failing on x86 Linux:

FAIL: Clang :: Headers/max_align.c (8904 of 44478)
******************** TEST 'Clang :: Headers/max_align.c' FAILED
********************
Script:
--
: 'RUN: at line 1';   /build/bin/clang -cc1 -internal-isystem
build/lib/clang/9.0.0/include -nostdsysteminc -fsyntax-only -std=c11 -verify
llvm/tools/clang/test/Headers/max_align.c
--
Exit Code: 1

Command Output (stderr):
--
error: 'error' diagnostics seen but not expected: 
  File llvm/tools/clang/test/Headers/max_align.c Line 12: static_assert failed
due to requirement '16 == _Alignof(max_align_t)' ""
1 error generated.


I have tested this on both 32-bit Fedora 30 and Arch 32.

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